body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,label,a,input,button,img
{margin: 0;padding: 0;}
body{text-align: center;background: #BEE7E9;}
li{list-style: none;}
a{text-decoration: none;}
input,button,img{border: none;}
.active{
    color: #409EFF;
    
}